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32 lines
842 B
Plaintext
32 lines
842 B
Plaintext
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'use strict'
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// This code is MIT licensed.
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// Copyright Radost Waszkiewicz 2023
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export function heightFromUTM(easting,northing) {
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let res = findNearestPoint(raw,[easting,northing]);
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let winner = res[0];
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let distance = res[1];
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return ""+winner+" (refrerence:"+(distance).toFixed(0)+"m away)";
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}
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function findNearestPoint(points, targetPoint) {
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// this function written by chat gpt
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let nearestDistance = Infinity;
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let nearestPoint = null;
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for (let i = 0; i < points.length; i++) {
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const [x, y, z] = points[i];
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const distance = Math.sqrt(Math.pow(x - targetPoint[0], 2) + Math.pow(y - targetPoint[1], 2));
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if (distance < nearestDistance) {
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nearestDistance = distance;
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nearestPoint = z;
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}
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}
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return [nearestPoint,nearestDistance];
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}
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let raw =
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